Home / 112,397.06-154,947.05-69,347.79

Finding the Fourth Proportional to 112,397.06, 154,947.05 and 69,347.79

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Solution

The fourth proportional to 112,397.06, 154,947.05 and 69,347.79 is: 95,600.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,397.06 : 154,947.05 = 69,347.79 : x
  2. Step 2: Convert to fraction form
    112,397.06/154,947.05 = 69,347.79/x
  3. Step 3: Cross multiply
    112,397.06x = 154,947.05 × 69,347.79
  4. Step 4: Simplify right side
    112,397.06x = 10,745,235,484.52
  5. Step 5: Solve for x
    x = 10,745,235,484.52/112,397.06
  6. Step 6: Final answer
    x = 95,600.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.